<template>
  <div class="site-wrapper site-page--login">
    <div class="site-content__wrapper">
      <div class="site-content">
        <div class="brand-info">
          <!--<h2 class="brand-info__text">中学生综合素质评价信息管理系统</h2>-->
          <!--<p class="brand-info__intro">renren-fast-vue基于vue、element-ui构建开发，实现renren-fast后台管理前端功能，提供一套更优的前端解决方案。</p>-->
        </div>
        <transition name="fade" mode="out-in" appear>
          <div class="login-main">
          <h3 class="login-title">袁梦智慧种植</h3>
          <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmit()" status-icon>
            <el-form-item prop="userName">
              <el-input v-model="dataForm.userName" placeholder="帐号"></el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input v-model="dataForm.password" type="password" placeholder="密码"></el-input>
            </el-form-item>
            <el-form-item prop="captcha">
              <el-row :gutter="20">
                <el-col :span="14">
                  <el-input v-model="dataForm.captcha" placeholder="验证码">
                  </el-input>
                </el-col>
                <el-col :span="10" class="login-captcha">
                  <img :src="captchaPath" @click="getCaptcha()" alt="">
                </el-col>
              </el-row>
            </el-form-item>
            <el-form-item>
              <el-button :loading="flag" class="login-btn-submit" type="primary" @click="dataFormSubmit()">登录</el-button>
            </el-form-item>
          </el-form>
        </div>
        </transition>
      </div>
    </div>
  </div>
</template>

<script>
  import { getUUID } from '@/utils'
  export default {
    data () {
      return {
        dataForm: {
          userName: '',
          password: '',
          uuid: '',
          captcha: ''
        },
        dataRule: {
          userName: [
            { required: true, message: '帐号不能为空', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '密码不能为空', trigger: 'blur' }
          ],
          captcha: [
            { required: true, message: '验证码不能为空', trigger: 'blur' }
          ]
        },
        captchaPath: '',
        flag: false
      }
    },
    created () {
      this.getCaptcha()
    },
    methods: {
      // 提交表单
      dataFormSubmit () {
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            this.flag = true
            this.$http({
              url: this.$http.adornUrl('/sys/login'),
              method: 'post',
              data: this.$http.adornData({
                'username': this.dataForm.userName,
                'password': this.dataForm.password,
                'uuid': this.dataForm.uuid,
                'captcha': this.dataForm.captcha
              })
            }).then(({data}) => {
              if (data && data.code === 0) {
                this.$cookie.set('token', data.token)
                this.$router.replace({ name: 'home' })
                this.flag = false
              } else {
                this.getCaptcha()
                this.$message.error(data.msg)
                this.flag = false
              }
            })
          }
        })
      },
      // 获取验证码
      getCaptcha () {
        this.dataForm.uuid = getUUID()
        this.captchaPath = this.$http.adornUrl(`/captcha.jpg?uuid=${this.dataForm.uuid}`)
      }
    }
  }
</script>

<style lang="scss">
  .site-wrapper.site-page--login {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(38, 50, 56, .6);
    overflow: hidden;
    &:before {
      position: fixed;
      top: 0;
      left: 0;
      z-index: -1;
      width: 100%;
      height: 100%;
      content: "";
      background-image: url(~@/assets/img/login_bg.jpg);
      background-size: cover;
    }
    .site-content__wrapper {
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      padding: 0;
      margin: 0;
      overflow-x: hidden;
      overflow-y: auto;
      background-color: transparent;
    }
    .site-content {
      min-height: 100%;
      padding: 30px 500px 30px 30px;
    }
      /*.brand-info {*/
      /*  margin: 220px 100px 0 90px;*/
      /*  color: #fff;*/
      /*}*/
    /*.brand-info__text {*/
    /*  margin:  0 0 22px 0;*/
    /*  font-size: 48px;*/
    /*  font-weight: 400;*/
    /*  text-transform : uppercase;*/
    /*}*/
    /*.brand-info__intro {*/
    /*  margin: 10px 0;*/
    /*  font-size: 16px;*/
    /*  line-height: 1.58;*/
    /*  opacity: .6;*/
    /*}*/
    .fade-enter-active {
      transition: all 1.3s ease;
    }
    .fade-leave-active {
      transition: all 0.8s cubic-bezier(1, 0.5, 0.8, 1);
    }
    .fade-enter, .fade-leave-to
      /* .slide-fade-leave-active 在低于 2.1.8 版本中 */ {
      transform: translateX(10px);
      opacity: 0;
    }
    .login-main {
      position: absolute;
      top: 50%;
      right: 50%;
      transform: translate(50%, -52%) scale(1);
      padding: 30px 60px;
      width: 470px;
      height: 380px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background-color: rgba(9, 5, 27, 0.4);
      border-radius: 6px;
      color: #454545;
    }
    .login-title {
      color: #fff;
      font-size: 20px;
      text-shadow: 5px 2px 6px #CCCCCC;
    }
    .login-captcha {
      overflow: hidden;
      > img {
        width: 100%;
        cursor: pointer;
      }
    }
    .login-btn-submit {
      width: 100%;
      margin-top: 38px;
    }
  }
</style>
